Airline Travel A poll asked respondents how many air trips they had taken on a
Chapter 7, Problem 50(choose chapter or problem)
Airline Travel A poll asked respondents how many air trips they had taken on a commercial airliner in the past 12 months. The results are given in the table below. Number of air trips 0 12 34 5 or more Percent of respondents 52 29 8 11 (a) What is the probability a respondent selected at random did not travel by air in the last 12 months? (b) What is the probability a respondent selected at random made more than 2 air trips in the past 12 months? (c) What is the probability a respondent selected at random made fewer than 3 air trips in the past 12 months?
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